155412101142 has 16 divisors (see below), whose sum is σ = 345360224880. Its totient is φ = 51804033696.

The previous prime is 155412101129. The next prime is 155412101147. The reversal of 155412101142 is 241101214551.

155412101142 is a `hidden beast` number, since 1 + 5 + 5 + 412 + 101 + 142 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155412101147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439000883 + ... + 1439000990.

It is an arithmetic number, because the mean of its divisors is an integer number (21585014055).

Almost surely, 2^155412101142 is an apocalyptic number.

155412101142 is an abundant number, since it is smaller than the sum of its proper divisors (189948123738).

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

155412101142 is a wasteful number, since it uses less digits than its factorization.

155412101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878001884 (or 2878001878 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 155412101142 its reverse (241101214551), we get a palindrome (396513315693).

The spelling of 155412101142 in words is "one hundred fifty-five billion, four hundred twelve million, one hundred one thousand, one hundred forty-two".