145932494 has 16 divisors (see below), whose sum is σ = 221648832. Its totient is φ = 72054528.

The previous prime is 145932491. The next prime is 145932503. The reversal of 145932494 is 494239541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145932491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69707 + ... + 71769.

It is an arithmetic number, because the mean of its divisors is an integer number (13853052).

Almost surely, 2^145932494 is an apocalyptic number.

145932494 is a deficient number, since it is larger than the sum of its proper divisors (75716338).

145932494 is a wasteful number, since it uses less digits than its factorization.

145932494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its digits is 155520, while the sum is 41.

The square root of 145932494 is about 12080.2522324660. The cubic root of 145932494 is about 526.4825745707.

The spelling of 145932494 in words is "one hundred forty-five million, nine hundred thirty-two thousand, four hundred ninety-four".