155794965 has 24 divisors (see below), whose sum is σ = 263091168. Its totient is φ = 78714720.

The previous prime is 155794963. The next prime is 155794979. The reversal of 155794965 is 569497551.

It is not a de Polignac number, because 155794965 - 2¹ = 155794963 is a prime.

It is a super-2 number, since 2×155794965² = 48544142238702450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155794963) 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 23 ways as a sum of consecutive naturals, for example, 8971 + ... + 19800.

It is an arithmetic number, because the mean of its divisors is an integer number (10962132).

Almost surely, 2^155794965 is an apocalyptic number.

155794965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155794965 is a deficient number, since it is larger than the sum of its proper divisors (107296203).

155794965 is a wasteful number, since it uses less digits than its factorization.

155794965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28817 (or 28798 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 51.

The square root of 155794965 is about 12481.7853290305. The cubic root of 155794965 is about 538.0853144325.

The spelling of 155794965 in words is "one hundred fifty-five million, seven hundred ninety-four thousand, nine hundred sixty-five".