145773377541 has 16 divisors (see below), whose sum is σ = 235593337920. Its totient is φ = 88347501360.

The previous prime is 145773377531. The next prime is 145773377543.

145773377541 is a `hidden beast` number, since 1 + 457 + 73 + 3 + 77 + 54 + 1 = 666.

145773377541 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 145773377541 - 2²² = 145769183237 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145773377543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245409430 + ... + 245410023.

It is an arithmetic number, because the mean of its divisors is an integer number (14724583620).

Almost surely, 2^145773377541 is an apocalyptic number.

145773377541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145773377541 is a deficient number, since it is larger than the sum of its proper divisors (89819960379).

145773377541 is a wasteful number, since it uses less digits than its factorization.

145773377541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490819473 (or 490819467 counting only the distinct ones).

The product of its digits is 8643600, while the sum is 54.

The spelling of 145773377541 in words is "one hundred forty-five billion, seven hundred seventy-three million, three hundred seventy-seven thousand, five hundred forty-one".