145452454430 has 32 divisors (see below), whose sum is σ = 265074314400. Its totient is φ = 57457119232.

The previous prime is 145452454373. The next prime is 145452454463. The reversal of 145452454430 is 34454254541.

It is a super-2 number, since 2×145452454430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131886 + ... + 2199054.

It is an arithmetic number, because the mean of its divisors is an integer number (8283572325).

Almost surely, 2^145452454430 is an apocalyptic number.

145452454430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145452454430 is a deficient number, since it is larger than the sum of its proper divisors (119621859970).

145452454430 is a wasteful number, since it uses less digits than its factorization.

145452454430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69868.

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 145452454430 in words is "one hundred forty-five billion, four hundred fifty-two million, four hundred fifty-four thousand, four hundred thirty".