145553454120 has 32 divisors (see below), whose sum is σ = 436660362720. Its totient is φ = 38814254400.

The previous prime is 145553454061. The next prime is 145553454131. The reversal of 145553454120 is 21454355541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606472606 + ... + 606472845.

It is an arithmetic number, because the mean of its divisors is an integer number (13645636335).

Almost surely, 2^145553454120 is an apocalyptic number.

145553454120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145553454120 is an abundant number, since it is smaller than the sum of its proper divisors (291106908600).

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

145553454120 is a wasteful number, since it uses less digits than its factorization.

145553454120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212945465 (or 1212945461 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 145553454120 in words is "one hundred forty-five billion, five hundred fifty-three million, four hundred fifty-four thousand, one hundred twenty".