155614401 has 12 divisors (see below), whose sum is σ = 228132112. Its totient is φ = 102194136.

The previous prime is 155614391. The next prime is 155614411. The reversal of 155614401 is 104416551.

155614401 is a `hidden beast` number, since 1 + 5 + 5 + 614 + 40 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (155614391) and next prime (155614411).

It is not a de Polignac number, because 155614401 - 2⁵ = 155614369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155614411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128431 + ... + 129636.

Almost surely, 2^155614401 is an apocalyptic number.

It is an amenable number.

155614401 is a deficient number, since it is larger than the sum of its proper divisors (72517711).

155614401 is a wasteful number, since it uses less digits than its factorization.

155614401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258140 (or 258137 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 155614401 is about 12474.5501321691. The cubic root of 155614401 is about 537.8773565007.

The spelling of 155614401 in words is "one hundred fifty-five million, six hundred fourteen thousand, four hundred one".