145503379 has 8 divisors (see below), whose sum is σ = 166468608. Its totient is φ = 124582920.

The previous prime is 145503373. The next prime is 145503467. The reversal of 145503379 is 973305541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145503379 - 2⁹ = 145502867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145503373) 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, 3907 + ... + 17500.

It is an arithmetic number, because the mean of its divisors is an integer number (20808576).

Almost surely, 2^145503379 is an apocalyptic number.

145503379 is a deficient number, since it is larger than the sum of its proper divisors (20965229).

145503379 is an equidigital number, since it uses as much as digits as its factorization.

145503379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22385.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 145503379 is about 12062.4781450579. The cubic root of 145503379 is about 525.9660266626.

The spelling of 145503379 in words is "one hundred forty-five million, five hundred three thousand, three hundred seventy-nine".