155051967 has 16 divisors (see below), whose sum is σ = 237265920. Its totient is φ = 88227552.

The previous prime is 155051959. The next prime is 155051969. The reversal of 155051967 is 769150551.

It is not a de Polignac number, because 155051967 - 2³ = 155051959 is a prime.

It is a super-2 number, since 2×155051967² = 48082224941138178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155051969) 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, 10428 + ... + 20465.

It is an arithmetic number, because the mean of its divisors is an integer number (14829120).

Almost surely, 2^155051967 is an apocalyptic number.

155051967 is a deficient number, since it is larger than the sum of its proper divisors (82213953).

155051967 is a wasteful number, since it uses less digits than its factorization.

155051967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31142.

The product of its (nonzero) digits is 47250, while the sum is 39.

The square root of 155051967 is about 12451.9864680299. The cubic root of 155051967 is about 537.2285611249.

The spelling of 155051967 in words is "one hundred fifty-five million, fifty-one thousand, nine hundred sixty-seven".