145513124 has 12 divisors (see below), whose sum is σ = 257169948. Its totient is φ = 72036000.

The previous prime is 145513103. The next prime is 145513127. The reversal of 145513124 is 421315541.

It can be written as a sum of positive squares in 2 ways, for example, as 130690624 + 14822500 = 11432^2 + 3850^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145513093 and 145513102.

It is not an unprimeable number, because it can be changed into a prime (145513127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179687 + ... + 180494.

It is an arithmetic number, because the mean of its divisors is an integer number (21430829).

Almost surely, 2^145513124 is an apocalyptic number.

It is an amenable number.

145513124 is a deficient number, since it is larger than the sum of its proper divisors (111656824).

145513124 is a wasteful number, since it uses less digits than its factorization.

145513124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360286 (or 360284 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 145513124 is about 12062.8820768505. The cubic root of 145513124 is about 525.9777684850.

Adding to 145513124 its reverse (421315541), we get a palindrome (566828665).

The spelling of 145513124 in words is "one hundred forty-five million, five hundred thirteen thousand, one hundred twenty-four".