155405154 has 16 divisors (see below), whose sum is σ = 311119200. Its totient is φ = 51750240.

The previous prime is 155405153. The next prime is 155405167. The reversal of 155405154 is 451504551.

It is not an unprimeable number, because it can be changed into a prime (155405153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6052 + ... + 18639.

It is an arithmetic number, because the mean of its divisors is an integer number (19444950).

Almost surely, 2^155405154 is an apocalyptic number.

155405154 is an abundant number, since it is smaller than the sum of its proper divisors (155714046).

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

155405154 is a wasteful number, since it uses less digits than its factorization.

155405154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25745.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 155405154 is about 12466.1603551374. The cubic root of 155405154 is about 537.6361626552.

The spelling of 155405154 in words is "one hundred fifty-five million, four hundred five thousand, one hundred fifty-four".