155214414 has 32 divisors (see below), whose sum is σ = 348157440. Its totient is φ = 51252696.

The previous prime is 155214383. The next prime is 155214443. The reversal of 155214414 is 414412551.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7654 + ... + 19209.

It is an arithmetic number, because the mean of its divisors is an integer number (10879920).

Almost surely, 2^155214414 is an apocalyptic number.

155214414 is an abundant number, since it is smaller than the sum of its proper divisors (192943026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155214414 is a wasteful number, since it uses less digits than its factorization.

155214414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26981 (or 26975 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 155214414 is about 12458.5076955468. The cubic root of 155214414 is about 537.4161126701.

Adding to 155214414 its reverse (414412551), we get a palindrome (569626965).

The spelling of 155214414 in words is "one hundred fifty-five million, two hundred fourteen thousand, four hundred fourteen".