145235546642551 has 8 divisors (see below), whose sum is σ = 150243879082320. Its totient is φ = 140227228212288.

The previous prime is 145235546642531. The next prime is 145235546642581. The reversal of 145235546642551 is 155246645532541.

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-145235546642551 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 (145235546642531) 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, 20340040 + ... + 26536546.

It is an arithmetic number, because the mean of its divisors is an integer number (18780484885290).

Almost surely, 2^{145235546642551} is an apocalyptic number.

145235546642551 is a deficient number, since it is larger than the sum of its proper divisors (5008332439769).

145235546642551 is an equidigital number, since it uses as much as digits as its factorization.

145235546642551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004753.

The product of its digits is 86400000, while the sum is 58.

The spelling of 145235546642551 in words is "one hundred forty-five trillion, two hundred thirty-five billion, five hundred forty-six million, six hundred forty-two thousand, five hundred fifty-one".