155454154049 has 16 divisors (see below), whose sum is σ = 163045785600. Its totient is φ = 147933105936.

The previous prime is 155454153997. The next prime is 155454154073. The reversal of 155454154049 is 940451454551.

It is a cyclic number.

It is not a de Polignac number, because 155454154049 - 2³⁶ = 86734677313 is a prime.

It is a super-2 number, since 2×155454154049² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155454153994 and 155454154012.

It is not an unprimeable number, because it can be changed into a prime (155454154099) 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, 6050372 + ... + 6076010.

It is an arithmetic number, because the mean of its divisors is an integer number (10190361600).

Almost surely, 2^155454154049 is an apocalyptic number.

It is an amenable number.

155454154049 is a deficient number, since it is larger than the sum of its proper divisors (7591631551).

155454154049 is a wasteful number, since it uses less digits than its factorization.

155454154049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27004.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 155454154049 in words is "one hundred fifty-five billion, four hundred fifty-four million, one hundred fifty-four thousand, forty-nine".