146731501474 has 4 divisors (see below), whose sum is σ = 220097252214. Its totient is φ = 73365750736.

The previous prime is 146731501439. The next prime is 146731501547. The reversal of 146731501474 is 474105137641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 146731133025 + 368449 = 383055^2 + 607^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 146731501474.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36682875367 + ... + 36682875370.

Almost surely, 2^146731501474 is an apocalyptic number.

146731501474 is a deficient number, since it is larger than the sum of its proper divisors (73365750740).

146731501474 is an equidigital number, since it uses as much as digits as its factorization.

146731501474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73365750739.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 146731501474 in words is "one hundred forty-six billion, seven hundred thirty-one million, five hundred one thousand, four hundred seventy-four".