145402024 has 16 divisors (see below), whose sum is σ = 275329620. Its totient is φ = 71980800.

The previous prime is 145402013. The next prime is 145402039. The reversal of 145402024 is 420204541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97653924 + 47748100 = 9882^2 + 6910^2 .

It is a super-2 number, since 2×145402024² = 42283497166593152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145401986 and 145402004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89169 + ... + 90784.

Almost surely, 2^145402024 is an apocalyptic number.

It is an amenable number.

145402024 is a deficient number, since it is larger than the sum of its proper divisors (129927596).

145402024 is a wasteful number, since it uses less digits than its factorization.

145402024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180060 (or 180056 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 145402024 is about 12058.2761620391. The cubic root of 145402024 is about 525.8438721810.

Adding to 145402024 its reverse (420204541), we get a palindrome (565606565).

The spelling of 145402024 in words is "one hundred forty-five million, four hundred two thousand, twenty-four".