154542156 has 24 divisors (see below), whose sum is σ = 362617920. Its totient is φ = 51225552.

The previous prime is 154542149. The next prime is 154542169. The reversal of 154542156 is 651245451.

It is a super-2 number, since 2×154542156² = 47766555962256672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33826 + ... + 38121.

It is an arithmetic number, because the mean of its divisors is an integer number (15109080).

Almost surely, 2^154542156 is an apocalyptic number.

It is an amenable number.

154542156 is an abundant number, since it is smaller than the sum of its proper divisors (208075764).

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

154542156 is a wasteful number, since it uses less digits than its factorization.

154542156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72133 (or 72131 counting only the distinct ones).

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

The square root of 154542156 is about 12431.4985420101. The cubic root of 154542156 is about 536.6391119596.

The spelling of 154542156 in words is "one hundred fifty-four million, five hundred forty-two thousand, one hundred fifty-six".