154570956 has 12 divisors (see below), whose sum is σ = 360665592. Its totient is φ = 51523648.

The previous prime is 154570951. The next prime is 154570979. The reversal of 154570956 is 659075451.

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

It is not an unprimeable number, because it can be changed into a prime (154570951) 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, 6440445 + ... + 6440468.

It is an arithmetic number, because the mean of its divisors is an integer number (30055466).

Almost surely, 2^154570956 is an apocalyptic number.

It is an amenable number.

154570956 is an abundant number, since it is smaller than the sum of its proper divisors (206094636).

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

154570956 is a wasteful number, since it uses less digits than its factorization.

154570956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880920 (or 12880918 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 154570956 is about 12432.6568359301. The cubic root of 154570956 is about 536.6724453595.

The spelling of 154570956 in words is "one hundred fifty-four million, five hundred seventy thousand, nine hundred fifty-six".