145458864 has 30 divisors (see below), whose sum is σ = 407083196. Its totient is φ = 48486240.

The previous prime is 145458853. The next prime is 145458893. The reversal of 145458864 is 468854541.

It is a happy number.

145458864 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 588 + 64 = 666.

It is a super-2 number, since 2×145458864² = 42316562232340992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 504922 + ... + 505209.

Almost surely, 2^145458864 is an apocalyptic number.

It is an amenable number.

145458864 is an abundant number, since it is smaller than the sum of its proper divisors (261624332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145458864 is a wasteful number, since it uses less digits than its factorization.

145458864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010145 (or 1010136 counting only the distinct ones).

The product of its digits is 614400, while the sum is 45.

The square root of 145458864 is about 12060.6328192181. The cubic root of 145458864 is about 525.9123835424.

It can be divided in two parts, 14545 and 8864, that added together give a square (23409 = 153²).

The spelling of 145458864 in words is "one hundred forty-five million, four hundred fifty-eight thousand, eight hundred sixty-four".