145554612 has 48 divisors (see below), whose sum is σ = 410981760. Its totient is φ = 39140352.

The previous prime is 145554569. The next prime is 145554623. The reversal of 145554612 is 216455541.

It is a super-2 number, since 2×145554612² = 42372290148941088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49537 + ... + 52392.

It is an arithmetic number, because the mean of its divisors is an integer number (8562120).

Almost surely, 2^145554612 is an apocalyptic number.

145554612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145554612 is an abundant number, since it is smaller than the sum of its proper divisors (265427148).

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

145554612 is a wasteful number, since it uses less digits than its factorization.

145554612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101960 (or 101958 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 145554612 is about 12064.6016096678. The cubic root of 145554612 is about 526.0277518164.

The spelling of 145554612 in words is "one hundred forty-five million, five hundred fifty-four thousand, six hundred twelve".