154887956 has 12 divisors (see below), whose sum is σ = 280400820. Its totient is φ = 74773440.

The previous prime is 154887919. The next prime is 154888051. The reversal of 154887956 is 659788451.

154887956 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 59043856 + 95844100 = 7684^2 + 9790^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154887898 and 154887907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667505 + ... + 667736.

It is an arithmetic number, because the mean of its divisors is an integer number (23366735).

Almost surely, 2^154887956 is an apocalyptic number.

It is an amenable number.

154887956 is a deficient number, since it is larger than the sum of its proper divisors (125512864).

154887956 is a wasteful number, since it uses less digits than its factorization.

154887956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335274 (or 1335272 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 53.

The square root of 154887956 is about 12445.3989891847. The cubic root of 154887956 is about 537.0390709365.

The spelling of 154887956 in words is "one hundred fifty-four million, eight hundred eighty-seven thousand, nine hundred fifty-six".