154051556 has 6 divisors (see below), whose sum is σ = 269590230. Its totient is φ = 77025776.

The previous prime is 154051529. The next prime is 154051561. The reversal of 154051556 is 655150451.

154051556 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 only one way, i.e., 140801956 + 13249600 = 11866^2 + 3640^2 .

It is a super-2 number, since 2×154051556² = 47463763812042272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19256441 + ... + 19256448.

It is an arithmetic number, because the mean of its divisors is an integer number (44931705).

Almost surely, 2^154051556 is an apocalyptic number.

It is an amenable number.

154051556 is a deficient number, since it is larger than the sum of its proper divisors (115538674).

154051556 is a wasteful number, since it uses less digits than its factorization.

154051556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38512893 (or 38512891 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The square root of 154051556 is about 12411.7507226015. The cubic root of 154051556 is about 536.0706495201.

It can be divided in two parts, 15405 and 1556, that added together give a palindrome (16961).

The spelling of 154051556 in words is "one hundred fifty-four million, fifty-one thousand, five hundred fifty-six".