155050951 has 4 divisors (see below), whose sum is σ = 169146504. Its totient is φ = 140955400.

The previous prime is 155050949. The next prime is 155050993. The reversal of 155050951 is 159050551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155050951 - 2¹ = 155050949 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155050921) 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 3 ways as a sum of consecutive naturals, for example, 7047760 + ... + 7047781.

It is an arithmetic number, because the mean of its divisors is an integer number (42286626).

Almost surely, 2^155050951 is an apocalyptic number.

155050951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

155050951 is a deficient number, since it is larger than the sum of its proper divisors (14095553).

155050951 is a wasteful number, since it uses less digits than its factorization.

155050951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14095552.

The product of its (nonzero) digits is 5625, while the sum is 31.

The square root of 155050951 is about 12451.9456712596. The cubic root of 155050951 is about 537.2273877003.

The spelling of 155050951 in words is "one hundred fifty-five million, fifty thousand, nine hundred fifty-one".