153442215025451 has 4 divisors (see below), whose sum is σ = 167391507300504. Its totient is φ = 139492922750400.

The previous prime is 153442215025447. The next prime is 153442215025481. The reversal of 153442215025451 is 154520512244351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 153442215025451 - 2² = 153442215025447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153442215025481) 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 3 ways as a sum of consecutive naturals, for example, 6974646137510 + ... + 6974646137531.

It is an arithmetic number, because the mean of its divisors is an integer number (41847876825126).

Almost surely, 2^{153442215025451} is an apocalyptic number.

153442215025451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

153442215025451 is a deficient number, since it is larger than the sum of its proper divisors (13949292275053).

153442215025451 is a wasteful number, since it uses less digits than its factorization.

153442215025451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949292275052.

The product of its (nonzero) digits is 960000, while the sum is 44.

The spelling of 153442215025451 in words is "one hundred fifty-three trillion, four hundred forty-two billion, two hundred fifteen million, twenty-five thousand, four hundred fifty-one".