155412051 has 8 divisors (see below), whose sum is σ = 207556560. Its totient is φ = 103437792.

The previous prime is 155412013. The next prime is 155412071. The reversal of 155412051 is 150214551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155412051 - 2⁷ = 155411923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155412071) 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 7 ways as a sum of consecutive naturals, for example, 40416 + ... + 44093.

It is an arithmetic number, because the mean of its divisors is an integer number (25944570).

Almost surely, 2^155412051 is an apocalyptic number.

155412051 is a deficient number, since it is larger than the sum of its proper divisors (52144509).

155412051 is an equidigital number, since it uses as much as digits as its factorization.

155412051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85125.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 155412051 is about 12466.4369809501. The cubic root of 155412051 is about 537.6441161060.

The spelling of 155412051 in words is "one hundred fifty-five million, four hundred twelve thousand, fifty-one".