145405124 has 6 divisors (see below), whose sum is σ = 254458974. Its totient is φ = 72702560.

The previous prime is 145405093. The next prime is 145405163. The reversal of 145405124 is 421504541.

145405124 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 27899524 = 10840^2 + 5282^2 .

It is a super-2 number, since 2×145405124² = 42285300170910752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145405093 and 145405102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18175637 + ... + 18175644.

It is an arithmetic number, because the mean of its divisors is an integer number (42409829).

Almost surely, 2^145405124 is an apocalyptic number.

It is an amenable number.

145405124 is a deficient number, since it is larger than the sum of its proper divisors (109053850).

145405124 is a wasteful number, since it uses less digits than its factorization.

145405124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36351285 (or 36351283 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 145405124 is about 12058.4047037740. The cubic root of 145405124 is about 525.8476091863.

Adding to 145405124 its reverse (421504541), we get a palindrome (566909665).

The spelling of 145405124 in words is "one hundred forty-five million, four hundred five thousand, one hundred twenty-four".