145263470 has 32 divisors (see below), whose sum is σ = 302027616. Its totient is φ = 49715200.

The previous prime is 145263467. The next prime is 145263539. The reversal of 145263470 is 74362541.

It is a super-2 number, since 2×145263470² = 42202951432881800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36971 + ... + 40710.

It is an arithmetic number, because the mean of its divisors is an integer number (9438363).

Almost surely, 2^145263470 is an apocalyptic number.

145263470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145263470 is an abundant number, since it is smaller than the sum of its proper divisors (156764146).

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

145263470 is a wasteful number, since it uses less digits than its factorization.

145263470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77716.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 145263470 is about 12052.5296100030. The cubic root of 145263470 is about 525.6767930619.

The spelling of 145263470 in words is "one hundred forty-five million, two hundred sixty-three thousand, four hundred seventy".