155496965 has 16 divisors (see below), whose sum is σ = 204745968. Its totient is φ = 112659456.

The previous prime is 155496959. The next prime is 155496967. The reversal of 155496965 is 569694551.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18653761 + 136843204 = 4319^2 + 11698^2 .

It is not a de Polignac number, because 155496965 - 2⁸ = 155496709 is a prime.

It is a super-2 number, since 2×155496965² = 48358612248422450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155496967) 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, 19124 + ... + 26013.

It is an arithmetic number, because the mean of its divisors is an integer number (12796623).

Almost surely, 2^155496965 is an apocalyptic number.

It is an amenable number.

155496965 is a deficient number, since it is larger than the sum of its proper divisors (49249003).

155496965 is a wasteful number, since it uses less digits than its factorization.

155496965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45208.

The product of its digits is 1458000, while the sum is 50.

The square root of 155496965 is about 12469.8422203330. The cubic root of 155496965 is about 537.7420175664.

The spelling of 155496965 in words is "one hundred fifty-five million, four hundred ninety-six thousand, nine hundred sixty-five".