145863492 has 12 divisors (see below), whose sum is σ = 340348176. Its totient is φ = 48621160.

The previous prime is 145863481. The next prime is 145863511. The reversal of 145863492 is 294368541.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077634 + ... + 6077657.

It is an arithmetic number, because the mean of its divisors is an integer number (28362348).

Almost surely, 2^145863492 is an apocalyptic number.

145863492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145863492 is an abundant number, since it is smaller than the sum of its proper divisors (194484684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145863492 is a wasteful number, since it uses less digits than its factorization.

145863492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12155298 (or 12155296 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 145863492 is about 12077.3959113710. The cubic root of 145863492 is about 526.3995816816.

The spelling of 145863492 in words is "one hundred forty-five million, eight hundred sixty-three thousand, four hundred ninety-two".