145319810 has 16 divisors (see below), whose sum is σ = 264167352. Its totient is φ = 57552000.

The previous prime is 145319807. The next prime is 145319813. The reversal of 145319810 is 18913541.

It is an interprime number because it is at equal distance from previous prime (145319807) and next prime (145319813).

It can be written as a sum of positive squares in 4 ways, for example, as 123632161 + 21687649 = 11119^2 + 4657^2 .

It is a super-2 number, since 2×145319810² = 42235694356872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145319813) 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, 70931 + ... + 72950.

Almost surely, 2^145319810 is an apocalyptic number.

145319810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145319810 is a deficient number, since it is larger than the sum of its proper divisors (118847542).

145319810 is a wasteful number, since it uses less digits than its factorization.

145319810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143989.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 145319810 is about 12054.8666521036. The cubic root of 145319810 is about 525.7447449988.

The spelling of 145319810 in words is "one hundred forty-five million, three hundred nineteen thousand, eight hundred ten".