145919764 has 24 divisors (see below), whose sum is σ = 265224960. Its totient is φ = 70161504.

The previous prime is 145919737. The next prime is 145919771. The reversal of 145919764 is 467919541.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28117 + ... + 32899.

It is an arithmetic number, because the mean of its divisors is an integer number (11051040).

Almost surely, 2^145919764 is an apocalyptic number.

It is an amenable number.

145919764 is a deficient number, since it is larger than the sum of its proper divisors (119305196).

145919764 is a wasteful number, since it uses less digits than its factorization.

145919764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079 (or 5077 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 145919764 is about 12079.7253280031. The cubic root of 145919764 is about 526.4672653962.

The spelling of 145919764 in words is "one hundred forty-five million, nine hundred nineteen thousand, seven hundred sixty-four".