155152117146 has 16 divisors (see below), whose sum is σ = 334173790944. Its totient is φ = 47739112944.

The previous prime is 155152117097. The next prime is 155152117189. The reversal of 155152117146 is 641711251551.

It is a super-2 number, since 2×155152117146² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon 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, 994564776 + ... + 994564931.

It is an arithmetic number, because the mean of its divisors is an integer number (20885861934).

Almost surely, 2^155152117146 is an apocalyptic number.

155152117146 is an abundant number, since it is smaller than the sum of its proper divisors (179021673798).

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

155152117146 is a wasteful number, since it uses less digits than its factorization.

155152117146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989129725.

The product of its digits is 42000, while the sum is 39.

Adding to 155152117146 its reverse (641711251551), we get a palindrome (796863368697).

The spelling of 155152117146 in words is "one hundred fifty-five billion, one hundred fifty-two million, one hundred seventeen thousand, one hundred forty-six".