45978901 has 8 divisors (see below), whose sum is σ = 47311520. Its totient is φ = 44651088.

The previous prime is 45978899. The next prime is 45978923. The reversal of 45978901 is 10987954.

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 45978901 - 2¹ = 45978899 is a prime.

It is a super-2 number, since 2×45978901² = 4228118674335602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45978991) 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, 28330 + ... + 29908.

It is an arithmetic number, because the mean of its divisors is an integer number (5913940).

Almost surely, 2^45978901 is an apocalyptic number.

It is an amenable number.

45978901 is a deficient number, since it is larger than the sum of its proper divisors (1332619).

45978901 is a wasteful number, since it uses less digits than its factorization.

45978901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 45978901 is about 6780.7743658081. The cubic root of 45978901 is about 358.2499970376.

The spelling of 45978901 in words is "forty-five million, nine hundred seventy-eight thousand, nine hundred one".