145514120 has 32 divisors (see below), whose sum is σ = 328005720. Its totient is φ = 58099200.

The previous prime is 145514111. The next prime is 145514137. The reversal of 145514120 is 21415541.

It can be written as a sum of positive squares in 4 ways, for example, as 108035236 + 37478884 = 10394^2 + 6122^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21014 + ... + 27066.

Almost surely, 2^145514120 is an apocalyptic number.

145514120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145514120 is an abundant number, since it is smaller than the sum of its proper divisors (182491600).

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

145514120 is a wasteful number, since it uses less digits than its factorization.

145514120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665 (or 6661 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145514120 is about 12062.9233604463. The cubic root of 145514120 is about 525.9789685433.

Adding to 145514120 its reverse (21415541), we get a palindrome (166929661).

The spelling of 145514120 in words is "one hundred forty-five million, five hundred fourteen thousand, one hundred twenty".