145464452 has 24 divisors (see below), whose sum is σ = 291306624. Its totient is φ = 62260992.

The previous prime is 145464439. The next prime is 145464457. The reversal of 145464452 is 254464541.

It is not an unprimeable number, because it can be changed into a prime (145464457) 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, 21908 + ... + 27764.

It is an arithmetic number, because the mean of its divisors is an integer number (12137776).

Almost surely, 2^145464452 is an apocalyptic number.

It is an amenable number.

145464452 is an abundant number, since it is smaller than the sum of its proper divisors (145842172).

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

145464452 is a wasteful number, since it uses less digits than its factorization.

145464452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6755 (or 6753 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 145464452 is about 12060.8644797958. The cubic root of 145464452 is about 525.9191180025.

The spelling of 145464452 in words is "one hundred forty-five million, four hundred sixty-four thousand, four hundred fifty-two".