146271464 has 8 divisors (see below), whose sum is σ = 274259010. Its totient is φ = 73135728.

The previous prime is 146271457. The next prime is 146271469. The reversal of 146271464 is 464172641.

It can be written as a sum of positive squares in only one way, i.e., 100600900 + 45670564 = 10030^2 + 6758^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (146271469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9141959 + ... + 9141974.

Almost surely, 2^146271464 is an apocalyptic number.

It is an amenable number.

146271464 is a deficient number, since it is larger than the sum of its proper divisors (127987546).

146271464 is a wasteful number, since it uses less digits than its factorization.

146271464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18283939 (or 18283935 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 146271464 is about 12094.2740170711. The cubic root of 146271464 is about 526.8898948671.

The spelling of 146271464 in words is "one hundred forty-six million, two hundred seventy-one thousand, four hundred sixty-four".