145235253563541 has 6 divisors (see below), whose sum is σ = 209784255147350. Its totient is φ = 96823502375688.

The previous prime is 145235253563531. The next prime is 145235253563657. The reversal of 145235253563541 is 145365352532541.

It is a happy number.

145235253563541 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 3 + 5 + 2 + 5 + 35 + 63 + 541 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132166638140625 + 13068615422916 = 11496375^2 + 3615054^2 .

It is not a de Polignac number, because 145235253563541 - 2¹⁴ = 145235253547157 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 (145235253563501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8068625197966 + ... + 8068625197983.

Almost surely, 2^{145235253563541} is an apocalyptic number.

It is an amenable number.

145235253563541 is a deficient number, since it is larger than the sum of its proper divisors (64549001583809).

145235253563541 is a wasteful number, since it uses less digits than its factorization.

145235253563541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16137250395955 (or 16137250395952 counting only the distinct ones).

The product of its digits is 32400000, while the sum is 54.

The spelling of 145235253563541 in words is "one hundred forty-five trillion, two hundred thirty-five billion, two hundred fifty-three million, five hundred sixty-three thousand, five hundred forty-one".