145779912 has 40 divisors (see below), whose sum is σ = 408320550. Its totient is φ = 48593088.

The previous prime is 145779901. The next prime is 145779923. The reversal of 145779912 is 219977541.

It is an interprime number because it is at equal distance from previous prime (145779901) and next prime (145779923).

It can be written as a sum of positive squares in only one way, i.e., 135629316 + 10150596 = 11646^2 + 3186^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 111837 + ... + 113132.

Almost surely, 2^145779912 is an apocalyptic number.

145779912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145779912 is an abundant number, since it is smaller than the sum of its proper divisors (262540638).

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

145779912 is a wasteful number, since it uses less digits than its factorization.

145779912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224987 (or 224974 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 145779912 is about 12073.9352325578. The cubic root of 145779912 is about 526.2990198881.

The spelling of 145779912 in words is "one hundred forty-five million, seven hundred seventy-nine thousand, nine hundred twelve".