155457066 has 16 divisors (see below), whose sum is σ = 311036544. Its totient is φ = 51798624.

The previous prime is 155457053. The next prime is 155457073. The reversal of 155457066 is 660754551.

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, 25990 + ... + 31406.

It is an arithmetic number, because the mean of its divisors is an integer number (19439784).

Almost surely, 2^155457066 is an apocalyptic number.

155457066 is an abundant number, since it is smaller than the sum of its proper divisors (155579478).

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

155457066 is a wasteful number, since it uses less digits than its factorization.

155457066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 155457066 is about 12468.2422979344. The cubic root of 155457066 is about 537.6960205184.

The spelling of 155457066 in words is "one hundred fifty-five million, four hundred fifty-seven thousand, sixty-six".