155506414 has 16 divisors (see below), whose sum is σ = 266744448. Its totient is φ = 66605112.

The previous prime is 155506391. The next prime is 155506433. The reversal of 155506414 is 414605551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37849 + ... + 41755.

It is an arithmetic number, because the mean of its divisors is an integer number (16671528).

Almost surely, 2^155506414 is an apocalyptic number.

155506414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

155506414 is a deficient number, since it is larger than the sum of its proper divisors (111238034).

155506414 is a wasteful number, since it uses less digits than its factorization.

155506414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 155506414 is about 12470.2210886576. The cubic root of 155506414 is about 537.7529095720.

The spelling of 155506414 in words is "one hundred fifty-five million, five hundred six thousand, four hundred fourteen".