154745412 has 12 divisors (see below), whose sum is σ = 361072656. Its totient is φ = 51581800.

The previous prime is 154745369. The next prime is 154745413. The reversal of 154745412 is 214547451.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×154745412² = 47892285070099488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154745413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6447714 + ... + 6447737.

It is an arithmetic number, because the mean of its divisors is an integer number (30089388).

Almost surely, 2^154745412 is an apocalyptic number.

154745412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154745412 is an abundant number, since it is smaller than the sum of its proper divisors (206327244).

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

154745412 is a wasteful number, since it uses less digits than its factorization.

154745412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12895458 (or 12895456 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 154745412 is about 12439.6708959683. The cubic root of 154745412 is about 536.8742739763.

The spelling of 154745412 in words is "one hundred fifty-four million, seven hundred forty-five thousand, four hundred twelve".