155011234 has 24 divisors (see below), whose sum is σ = 280464768. Its totient is φ = 62934840.

The previous prime is 155011169. The next prime is 155011243. The reversal of 155011234 is 432110551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10282 + ... + 20389.

It is an arithmetic number, because the mean of its divisors is an integer number (11686032).

Almost surely, 2^155011234 is an apocalyptic number.

155011234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155011234 is a deficient number, since it is larger than the sum of its proper divisors (125453534).

155011234 is a wasteful number, since it uses less digits than its factorization.

155011234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30718 (or 30699 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 155011234 is about 12450.3507581112. The cubic root of 155011234 is about 537.1815127107.

Adding to 155011234 its reverse (432110551), we get a palindrome (587121785).

The spelling of 155011234 in words is "one hundred fifty-five million, eleven thousand, two hundred thirty-four".