145452981201 has 16 divisors (see below), whose sum is σ = 212290061760. Its totient is φ = 87852451520.

The previous prime is 145452981137. The next prime is 145452981217. The reversal of 145452981201 is 102189254541.

It is a cyclic number.

It is not a de Polignac number, because 145452981201 - 2⁶ = 145452981137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145452983201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7511946 + ... + 7531283.

It is an arithmetic number, because the mean of its divisors is an integer number (13268128860).

Almost surely, 2^145452981201 is an apocalyptic number.

145452981201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

145452981201 is a deficient number, since it is larger than the sum of its proper divisors (66837080559).

145452981201 is a wasteful number, since it uses less digits than its factorization.

145452981201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15043536.

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 145452981201 in words is "one hundred forty-five billion, four hundred fifty-two million, nine hundred eighty-one thousand, two hundred one".