145100424 has 32 divisors (see below), whose sum is σ = 414573120. Its totient is φ = 41457216.

The previous prime is 145100407. The next prime is 145100437. The reversal of 145100424 is 424001541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 145100424.

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, 431679 + ... + 432014.

It is an arithmetic number, because the mean of its divisors is an integer number (12955410).

Almost surely, 2^145100424 is an apocalyptic number.

145100424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145100424 is an abundant number, since it is smaller than the sum of its proper divisors (269472696).

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

145100424 is a wasteful number, since it uses less digits than its factorization.

145100424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863709 (or 863705 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 145100424 is about 12045.7637366835. The cubic root of 145100424 is about 525.4800434693.

Adding to 145100424 its reverse (424001541), we get a palindrome (569101965).

The spelling of 145100424 in words is "one hundred forty-five million, one hundred thousand, four hundred twenty-four".