145901904573 has 4 divisors (see below), whose sum is σ = 194535872768. Its totient is φ = 97267936380.

The previous prime is 145901904563. The next prime is 145901904593. The reversal of 145901904573 is 375409109541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 145901904573 - 2¹² = 145901900477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145901904503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24316984093 + ... + 24316984098.

It is an arithmetic number, because the mean of its divisors is an integer number (48633968192).

Almost surely, 2^145901904573 is an apocalyptic number.

It is an amenable number.

145901904573 is a deficient number, since it is larger than the sum of its proper divisors (48633968195).

145901904573 is an equidigital number, since it uses as much as digits as its factorization.

145901904573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48633968194.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 145901904573 in words is "one hundred forty-five billion, nine hundred one million, nine hundred four thousand, five hundred seventy-three".