155133351 has 6 divisors (see below), whose sum is σ = 224081520. Its totient is φ = 103422228.

The previous prime is 155133343. The next prime is 155133353. The reversal of 155133351 is 153331551.

It is not a de Polignac number, because 155133351 - 2³ = 155133343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155133353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8618511 + ... + 8618528.

It is an arithmetic number, because the mean of its divisors is an integer number (37346920).

Almost surely, 2^155133351 is an apocalyptic number.

155133351 is a deficient number, since it is larger than the sum of its proper divisors (68948169).

155133351 is a wasteful number, since it uses less digits than its factorization.

155133351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17237045 (or 17237042 counting only the distinct ones).

The product of its digits is 3375, while the sum is 27.

The square root of 155133351 is about 12455.2539516463. The cubic root of 155133351 is about 537.3225385673.

The spelling of 155133351 in words is "one hundred fifty-five million, one hundred thirty-three thousand, three hundred fifty-one".