145402124 has 24 divisors (see below), whose sum is σ = 291127200. Its totient is φ = 62246016.

The previous prime is 145402123. The next prime is 145402133. The reversal of 145402124 is 421204541.

It is a super-2 number, since 2×145402124² = 42283555327422752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145402124.

It is not an unprimeable number, because it can be changed into a prime (145402123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28952 + ... + 33600.

It is an arithmetic number, because the mean of its divisors is an integer number (12130300).

Almost surely, 2^145402124 is an apocalyptic number.

145402124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145402124 is an abundant number, since it is smaller than the sum of its proper divisors (145725076).

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

145402124 is a wasteful number, since it uses less digits than its factorization.

145402124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 145402124 is about 12058.2803085681. The cubic root of 145402124 is about 525.8439927304.

Adding to 145402124 its reverse (421204541), we get a palindrome (566606665).

The spelling of 145402124 in words is "one hundred forty-five million, four hundred two thousand, one hundred twenty-four".