145746454 has 32 divisors (see below), whose sum is σ = 264556800. Its totient is φ = 58825440.

The previous prime is 145746451. The next prime is 145746463. The reversal of 145746454 is 454647541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145746451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46084 + ... + 49144.

It is an arithmetic number, because the mean of its divisors is an integer number (8267400).

Almost surely, 2^145746454 is an apocalyptic number.

145746454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

145746454 is a deficient number, since it is larger than the sum of its proper divisors (118810346).

145746454 is a wasteful number, since it uses less digits than its factorization.

145746454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268.

The product of its digits is 268800, while the sum is 40.

The square root of 145746454 is about 12072.5496064419. The cubic root of 145746454 is about 526.2587531150.

The spelling of 145746454 in words is "one hundred forty-five million, seven hundred forty-six thousand, four hundred fifty-four".