145761916 has 12 divisors (see below), whose sum is σ = 261015832. Its totient is φ = 71185968.

The previous prime is 145761911. The next prime is 145761937. The reversal of 145761916 is 619167541.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145761911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423555 + ... + 423898.

Almost surely, 2^145761916 is an apocalyptic number.

It is an amenable number.

145761916 is a deficient number, since it is larger than the sum of its proper divisors (115253916).

145761916 is a wasteful number, since it uses less digits than its factorization.

145761916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847500 (or 847498 counting only the distinct ones).

The product of its digits is 45360, while the sum is 40.

The square root of 145761916 is about 12073.1899678585. The cubic root of 145761916 is about 526.2773624302.

The spelling of 145761916 in words is "one hundred forty-five million, seven hundred sixty-one thousand, nine hundred sixteen".