155545854 has 32 divisors (see below), whose sum is σ = 320374656. Its totient is φ = 50309280.

The previous prime is 155545853. The next prime is 155545861. The reversal of 155545854 is 458545551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155545853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108289 + ... + 109715.

It is an arithmetic number, because the mean of its divisors is an integer number (10011708).

Almost surely, 2^155545854 is an apocalyptic number.

155545854 is an abundant number, since it is smaller than the sum of its proper divisors (164828802).

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

155545854 is a wasteful number, since it uses less digits than its factorization.

155545854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960.

The product of its digits is 400000, while the sum is 42.

The square root of 155545854 is about 12471.8023557143. The cubic root of 155545854 is about 537.7983678941.

The spelling of 155545854 in words is "one hundred fifty-five million, five hundred forty-five thousand, eight hundred fifty-four".