145425445404154 has 64 divisors (see below), whose sum is σ = 231025462640640. Its totient is φ = 68563566720000.

The previous prime is 145425445404149. The next prime is 145425445404263. The reversal of 145425445404154 is 451404544524541.

It is a super-2 number, since 2×145425445404154² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463482084 + ... + 463795744.

It is an arithmetic number, because the mean of its divisors is an integer number (3609772853760).

Almost surely, 2^{145425445404154} is an apocalyptic number.

145425445404154 is a deficient number, since it is larger than the sum of its proper divisors (85600017236486).

145425445404154 is a wasteful number, since it uses less digits than its factorization.

145425445404154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315007.

The product of its (nonzero) digits is 20480000, while the sum is 52.

Adding to 145425445404154 its reverse (451404544524541), we get a palindrome (596829989928695).

The spelling of 145425445404154 in words is "one hundred forty-five trillion, four hundred twenty-five billion, four hundred forty-five million, four hundred four thousand, one hundred fifty-four".