145404530 has 16 divisors (see below), whose sum is σ = 275503680. Its totient is φ = 55100592.

The previous prime is 145404529. The next prime is 145404533. The reversal of 145404530 is 35404541.

It is a super-2 number, since 2×145404530² = 42284954689041800, 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 145404530.

It is not an unprimeable number, because it can be changed into a prime (145404533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382454 + ... + 382833.

It is an arithmetic number, because the mean of its divisors is an integer number (17218980).

Almost surely, 2^145404530 is an apocalyptic number.

145404530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145404530 is a deficient number, since it is larger than the sum of its proper divisors (130099150).

145404530 is a wasteful number, since it uses less digits than its factorization.

145404530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765313.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 145404530 is about 12058.3800736251. The cubic root of 145404530 is about 525.8468931320.

The spelling of 145404530 in words is "one hundred forty-five million, four hundred four thousand, five hundred thirty".