145380448 has 12 divisors (see below), whose sum is σ = 286217820. Its totient is φ = 72690208.

The previous prime is 145380439. The next prime is 145380479. The reversal of 145380448 is 844083541.

It is a super-2 number, since 2×145380448² = 42270949321361408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271538 + ... + 2271601.

It is an arithmetic number, because the mean of its divisors is an integer number (23851485).

Almost surely, 2^145380448 is an apocalyptic number.

It is an amenable number.

145380448 is a deficient number, since it is larger than the sum of its proper divisors (140837372).

145380448 is an equidigital number, since it uses as much as digits as its factorization.

145380448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543149 (or 4543141 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 145380448 is about 12057.3814736036. The cubic root of 145380448 is about 525.8178611524.

The spelling of 145380448 in words is "one hundred forty-five million, three hundred eighty thousand, four hundred forty-eight".