55142033145 has 16 divisors (see below), whose sum is σ = 88254059712. Its totient is φ = 29400148800.

The previous prime is 55142033143. The next prime is 55142033147. The reversal of 55142033145 is 54133024155.

It is an interprime number because it is at equal distance from previous prime (55142033143) and next prime (55142033147).

It is not a de Polignac number, because 55142033145 - 2¹ = 55142033143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55142033143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507307 + ... + 606336.

It is an arithmetic number, because the mean of its divisors is an integer number (5515878732).

Almost surely, 2^55142033145 is an apocalyptic number.

It is an amenable number.

55142033145 is a deficient number, since it is larger than the sum of its proper divisors (33112026567).

55142033145 is a wasteful number, since it uses less digits than its factorization.

55142033145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116952.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 55142033145 in words is "fifty-five billion, one hundred forty-two million, thirty-three thousand, one hundred forty-five".