146840472 has 64 divisors (see below), whose sum is σ = 408924000. Its totient is φ = 48822912.

The previous prime is 146840467. The next prime is 146840479. The reversal of 146840472 is 274048641.

146840472 is a `hidden beast` number, since 146 + 8 + 40 + 472 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146840479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131854 + ... + 132962.

Almost surely, 2^146840472 is an apocalyptic number.

146840472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146840472 is an abundant number, since it is smaller than the sum of its proper divisors (262083528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146840472 is a wasteful number, since it uses less digits than its factorization.

146840472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 1727 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 146840472 is about 12117.7750432990. The cubic root of 146840472 is about 527.5722258343.

It can be divided in two parts, 14 and 6840472, that added together give a palindrome (6840486).

The spelling of 146840472 in words is "one hundred forty-six million, eight hundred forty thousand, four hundred seventy-two".