145966737 has 16 divisors (see below), whose sum is σ = 226966400. Its totient is φ = 83408976.

The previous prime is 145966729. The next prime is 145966741. The reversal of 145966737 is 737669541.

It is a happy number.

It is not a de Polignac number, because 145966737 - 2³ = 145966729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145966747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69898 + ... + 71955.

It is an arithmetic number, because the mean of its divisors is an integer number (14185400).

Almost surely, 2^145966737 is an apocalyptic number.

It is an amenable number.

145966737 is a deficient number, since it is larger than the sum of its proper divisors (80999663).

145966737 is an equidigital number, since it uses as much as digits as its factorization.

145966737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141877 (or 141863 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 145966737 is about 12081.6694624543. The cubic root of 145966737 is about 526.5237509904.

The spelling of 145966737 in words is "one hundred forty-five million, nine hundred sixty-six thousand, seven hundred thirty-seven".