145802374761 has 4 divisors (see below), whose sum is σ = 194403166352. Its totient is φ = 97201583172.

The previous prime is 145802374727. The next prime is 145802374763. The reversal of 145802374761 is 167473208541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 167473208541 = 3 ⋅55824402847.

It is not a de Polignac number, because 145802374761 - 2¹⁷ = 145802243689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145802374761.

It is not an unprimeable number, because it can be changed into a prime (145802374763) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24300395791 + ... + 24300395796.

It is an arithmetic number, because the mean of its divisors is an integer number (48600791588).

Almost surely, 2^145802374761 is an apocalyptic number.

It is an amenable number.

145802374761 is a deficient number, since it is larger than the sum of its proper divisors (48600791591).

145802374761 is an equidigital number, since it uses as much as digits as its factorization.

145802374761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48600791590.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 145802374761 in words is "one hundred forty-five billion, eight hundred two million, three hundred seventy-four thousand, seven hundred sixty-one".