145254364323420 has 96 divisors (see below), whose sum is σ = 453126187293696. Its totient is φ = 34463962643200.

The previous prime is 145254364323407. The next prime is 145254364323487. The reversal of 145254364323420 is 24323463452541.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 145254364323420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2341270791 + ... + 2341332830.

It is an arithmetic number, because the mean of its divisors is an integer number (4720064450976).

Almost surely, 2^{145254364323420} is an apocalyptic number.

145254364323420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145254364323420 is an abundant number, since it is smaller than the sum of its proper divisors (307871822970276).

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

145254364323420 is a wasteful number, since it uses less digits than its factorization.

145254364323420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682603691 (or 4682603689 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 48.

The spelling of 145254364323420 in words is "one hundred forty-five trillion, two hundred fifty-four billion, three hundred sixty-four million, three hundred twenty-three thousand, four hundred twenty".