101945477 has 4 divisors (see below), whose sum is σ = 102239616. Its totient is φ = 101651340.

The previous prime is 101945443. The next prime is 101945479. The reversal of 101945477 is 774549101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101945477 - 2¹⁶ = 101879941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101945477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101945479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146549 + ... + 147242.

It is an arithmetic number, because the mean of its divisors is an integer number (25559904).

Almost surely, 2^101945477 is an apocalyptic number.

It is an amenable number.

101945477 is a deficient number, since it is larger than the sum of its proper divisors (294139).

101945477 is an equidigital number, since it uses as much as digits as its factorization.

101945477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294138.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 101945477 is about 10096.8052868222. The cubic root of 101945477 is about 467.1496065663.

The spelling of 101945477 in words is "one hundred one million, nine hundred forty-five thousand, four hundred seventy-seven".