145886464 has 18 divisors (see below), whose sum is σ = 291203570. Its totient is φ = 72943104.

The previous prime is 145886459. The next prime is 145886513. The reversal of 145886464 is 464688541.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 29246464 = 10800^2 + 5408^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284679 + ... + 285190.

Almost surely, 2^145886464 is an apocalyptic number.

It is an amenable number.

145886464 is a deficient number, since it is larger than the sum of its proper divisors (145317106).

145886464 is an frugal number, since it uses more digits than its factorization.

145886464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569885 (or 569871 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 145886464 is about 12078.3469067584. The cubic root of 145886464 is about 526.4272144046.

The spelling of 145886464 in words is "one hundred forty-five million, eight hundred eighty-six thousand, four hundred sixty-four".