155146965 has 8 divisors (see below), whose sum is σ = 248235168. Its totient is φ = 82745040.

The previous prime is 155146963. The next prime is 155146987. The reversal of 155146965 is 569641551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155146965 - 2¹ = 155146963 is a prime.

It is a super-2 number, since 2×155146965² = 48141161497422450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155146963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5171551 + ... + 5171580.

It is an arithmetic number, because the mean of its divisors is an integer number (31029396).

Almost surely, 2^155146965 is an apocalyptic number.

155146965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155146965 is a deficient number, since it is larger than the sum of its proper divisors (93088203).

155146965 is a wasteful number, since it uses less digits than its factorization.

155146965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343139.

The product of its digits is 162000, while the sum is 42.

The square root of 155146965 is about 12455.8004560125. The cubic root of 155146965 is about 537.3382560022.

It can be divided in two parts, 1551 and 46965, that added together give a triangular number (48516 = T₃₁₁).

The spelling of 155146965 in words is "one hundred fifty-five million, one hundred forty-six thousand, nine hundred sixty-five".