155406145153132 has 6 divisors (see below), whose sum is σ = 271960754017988. Its totient is φ = 77703072576564.

The previous prime is 155406145153121. The next prime is 155406145153141. The reversal of 155406145153132 is 231351541604551.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19425768144138 + ... + 19425768144145.

Almost surely, 2^{155406145153132} is an apocalyptic number.

It is an amenable number.

155406145153132 is a deficient number, since it is larger than the sum of its proper divisors (116554608864856).

155406145153132 is a wasteful number, since it uses less digits than its factorization.

155406145153132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38851536288287 (or 38851536288285 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 46.

Adding to 155406145153132 its reverse (231351541604551), we get a palindrome (386757686757683).

The spelling of 155406145153132 in words is "one hundred fifty-five trillion, four hundred six billion, one hundred forty-five million, one hundred fifty-three thousand, one hundred thirty-two".