145793452 has 24 divisors (see below), whose sum is σ = 291950624. Its totient is φ = 62404992.

The previous prime is 145793423. The next prime is 145793471. The reversal of 145793452 is 254397541.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23458 + ... + 29014.

Almost surely, 2^145793452 is an apocalyptic number.

It is an amenable number.

145793452 is an abundant number, since it is smaller than the sum of its proper divisors (146157172).

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

145793452 is a wasteful number, since it uses less digits than its factorization.

145793452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6505 (or 6503 counting only the distinct ones).

The product of its digits is 151200, while the sum is 40.

The square root of 145793452 is about 12074.4959315079. The cubic root of 145793452 is about 526.3153135554.

The spelling of 145793452 in words is "one hundred forty-five million, seven hundred ninety-three thousand, four hundred fifty-two".