146155255138472 has 16 divisors (see below), whose sum is σ = 274057796151060. Its totient is φ = 73073176164864.

The previous prime is 146155255138411. The next prime is 146155255138489. The reversal of 146155255138472 is 274831552551641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 109703293436356 + 36451961702116 = 10473934^2 + 6037546^2 .

It is a super-2 number, since 2×146155255138472² (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 3 ways as a sum of consecutive naturals, for example, 556286003 + ... + 556548674.

Almost surely, 2^{146155255138472} is an apocalyptic number.

It is an amenable number.

146155255138472 is a deficient number, since it is larger than the sum of its proper divisors (127902541012588).

146155255138472 is a wasteful number, since it uses less digits than its factorization.

146155255138472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112851100 (or 1112851096 counting only the distinct ones).

The product of its digits is 40320000, while the sum is 59.

The spelling of 146155255138472 in words is "one hundred forty-six trillion, one hundred fifty-five billion, two hundred fifty-five million, one hundred thirty-eight thousand, four hundred seventy-two".