145554401 has 8 divisors (see below), whose sum is σ = 146615040. Its totient is φ = 144497952.

The previous prime is 145554397. The next prime is 145554407. The reversal of 145554401 is 104455541.

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 145554401 - 2² = 145554397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145554407) 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, 101576 + ... + 102998.

It is an arithmetic number, because the mean of its divisors is an integer number (18326880).

Almost surely, 2^145554401 is an apocalyptic number.

It is an amenable number.

145554401 is a deficient number, since it is larger than the sum of its proper divisors (1060639).

145554401 is a wasteful number, since it uses less digits than its factorization.

145554401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 145554401 is about 12064.5928650742. The cubic root of 145554401 is about 526.0274976348.

The spelling of 145554401 in words is "one hundred forty-five million, five hundred fifty-four thousand, four hundred one".