145218449401 has 8 divisors (see below), whose sum is σ = 145410876000. Its totient is φ = 145026153120.

The previous prime is 145218449357. The next prime is 145218449437. The reversal of 145218449401 is 104944812541.

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

It is a cyclic number.

It is not a de Polignac number, because 145218449401 - 2⁹ = 145218448889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145218449501) 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, 2307450 + ... + 2369548.

It is an arithmetic number, because the mean of its divisors is an integer number (18176359500).

Almost surely, 2^145218449401 is an apocalyptic number.

It is an amenable number.

145218449401 is a deficient number, since it is larger than the sum of its proper divisors (192426599).

145218449401 is a wasteful number, since it uses less digits than its factorization.

145218449401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65159.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 145218449401 in words is "one hundred forty-five billion, two hundred eighteen million, four hundred forty-nine thousand, four hundred one".