145567765541 has 8 divisors (see below), whose sum is σ = 158804082624. Its totient is φ = 132331929120.

The previous prime is 145567765513. The next prime is 145567765573.

145567765541 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145567765541 - 2¹⁴ = 145567749157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145567765241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862481 + ... + 1017353.

It is an arithmetic number, because the mean of its divisors is an integer number (19850510328).

Almost surely, 2^145567765541 is an apocalyptic number.

145567765541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145567765541 is a deficient number, since it is larger than the sum of its proper divisors (13236317083).

145567765541 is a wasteful number, since it uses less digits than its factorization.

145567765541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240331.

The product of its digits is 17640000, while the sum is 56.

The spelling of 145567765541 in words is "one hundred forty-five billion, five hundred sixty-seven million, seven hundred sixty-five thousand, five hundred forty-one".