146972601 has 6 divisors (see below), whose sum is σ = 212293770. Its totient is φ = 97981728.

The previous prime is 146972597. The next prime is 146972603. The reversal of 146972601 is 106279641.

146972601 is a `hidden beast` number, since 1 + 46 + 9 + 7 + 2 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132227001 + 14745600 = 11499^2 + 3840^2 .

It is not a de Polignac number, because 146972601 - 2² = 146972597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146972603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8165136 + ... + 8165153.

It is an arithmetic number, because the mean of its divisors is an integer number (35382295).

Almost surely, 2^146972601 is an apocalyptic number.

It is an amenable number.

146972601 is a deficient number, since it is larger than the sum of its proper divisors (65321169).

146972601 is a wasteful number, since it uses less digits than its factorization.

146972601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330295 (or 16330292 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 146972601 is about 12123.2256846105. The cubic root of 146972601 is about 527.7304172198.

The spelling of 146972601 in words is "one hundred forty-six million, nine hundred seventy-two thousand, six hundred one".