145451355254 has 16 divisors (see below), whose sum is σ = 218335837776. Its totient is φ = 72672768000.

The previous prime is 145451355191. The next prime is 145451355281. The reversal of 145451355254 is 452553154541.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30293654 + ... + 30298454.

It is an arithmetic number, because the mean of its divisors is an integer number (13645989861).

Almost surely, 2^145451355254 is an apocalyptic number.

145451355254 is a deficient number, since it is larger than the sum of its proper divisors (72884482522).

145451355254 is a wasteful number, since it uses less digits than its factorization.

145451355254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12671.

The product of its digits is 1200000, while the sum is 44.

The spelling of 145451355254 in words is "one hundred forty-five billion, four hundred fifty-one million, three hundred fifty-five thousand, two hundred fifty-four".