145235253563551 has 8 divisors (see below), whose sum is σ = 145266654891600. Its totient is φ = 145203852984960.

The previous prime is 145235253563531. The next prime is 145235253563657. The reversal of 145235253563551 is 155365352532541.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145235253563551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145235253563492 and 145235253563501.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574427880 + ... + 574680658.

It is an arithmetic number, because the mean of its divisors is an integer number (18158331861450).

Almost surely, 2^{145235253563551} is an apocalyptic number.

145235253563551 is a deficient number, since it is larger than the sum of its proper divisors (31401328049).

145235253563551 is a wasteful number, since it uses less digits than its factorization.

145235253563551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374729.

The product of its digits is 40500000, while the sum is 55.

The spelling of 145235253563551 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 fifty-one".