155030013149 has 16 divisors (see below), whose sum is σ = 173081582784. Its totient is φ = 137639040000.

The previous prime is 155030013139. The next prime is 155030013157. The reversal of 155030013149 is 941310030551.

It is not a de Polignac number, because 155030013149 - 2²⁴ = 155013235933 is a prime.

It is a super-2 number, since 2×155030013149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155030013139) 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, 4007399 + ... + 4045899.

It is an arithmetic number, because the mean of its divisors is an integer number (10817598924).

Almost surely, 2^155030013149 is an apocalyptic number.

It is an amenable number.

155030013149 is a deficient number, since it is larger than the sum of its proper divisors (18051569635).

155030013149 is a wasteful number, since it uses less digits than its factorization.

155030013149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47068.

The product of its (nonzero) digits is 8100, while the sum is 32.

The spelling of 155030013149 in words is "one hundred fifty-five billion, thirty million, thirteen thousand, one hundred forty-nine".