145889762 has 4 divisors (see below), whose sum is σ = 218834646. Its totient is φ = 72944880.

The previous prime is 145889747. The next prime is 145889773. The reversal of 145889762 is 267988541.

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., 103652761 + 42237001 = 10181^2 + 6499^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145889762.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36472439 + ... + 36472442.

Almost surely, 2^145889762 is an apocalyptic number.

145889762 is a deficient number, since it is larger than the sum of its proper divisors (72944884).

145889762 is an equidigital number, since it uses as much as digits as its factorization.

145889762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72944883.

The product of its digits is 967680, while the sum is 50.

The square root of 145889762 is about 12078.4834312922. The cubic root of 145889762 is about 526.4311812883.

The spelling of 145889762 in words is "one hundred forty-five million, eight hundred eighty-nine thousand, seven hundred sixty-two".