145037746 has 24 divisors (see below), whose sum is σ = 259255836. Its totient is φ = 60641280.

The previous prime is 145037713. The next prime is 145037749. The reversal of 145037746 is 647730541.

It can be written as a sum of positive squares in 2 ways, for example, as 115455025 + 29582721 = 10745^2 + 5439^2 .

It is not an unprimeable number, because it can be changed into a prime (145037749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14031 + ... + 22066.

Almost surely, 2^145037746 is an apocalyptic number.

145037746 is a deficient number, since it is larger than the sum of its proper divisors (114218090).

145037746 is a wasteful number, since it uses less digits than its factorization.

145037746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36154 (or 36147 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 145037746 is about 12043.1617941469. The cubic root of 145037746 is about 525.4043699443.

The spelling of 145037746 in words is "one hundred forty-five million, thirty-seven thousand, seven hundred forty-six".