155540495 has 16 divisors (see below), whose sum is σ = 204069888. Its totient is φ = 112868640.

The previous prime is 155540491. The next prime is 155540501. The reversal of 155540495 is 594045551.

It is not a de Polignac number, because 155540495 - 2² = 155540491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155540491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23882 + ... + 29688.

It is an arithmetic number, because the mean of its divisors is an integer number (12754368).

Almost surely, 2^155540495 is an apocalyptic number.

155540495 is a deficient number, since it is larger than the sum of its proper divisors (48529393).

155540495 is a wasteful number, since it uses less digits than its factorization.

155540495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310.

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 155540495 is about 12471.5875092147. The cubic root of 155540495 is about 537.7921915920.

The spelling of 155540495 in words is "one hundred fifty-five million, five hundred forty thousand, four hundred ninety-five".