147105901 has 4 divisors (see below), whose sum is σ = 147346492. Its totient is φ = 146865312.

The previous prime is 147105883. The next prime is 147105919. The reversal of 147105901 is 109501741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109501741 = 7027 ⋅15583.

It is an interprime number because it is at equal distance from previous prime (147105883) and next prime (147105919).

It can be written as a sum of positive squares in 2 ways, for example, as 26677225 + 120428676 = 5165^2 + 10974^2 .

It is a cyclic number.

It is not a de Polignac number, because 147105901 - 2²¹ = 145008749 is a prime.

It is a super-2 number, since 2×147105901² = 43280292218043602, which contains 22 as substring.

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 147105901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147105941) 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, 119376 + ... + 120601.

It is an arithmetic number, because the mean of its divisors is an integer number (36836623).

Almost surely, 2^147105901 is an apocalyptic number.

It is an amenable number.

147105901 is a deficient number, since it is larger than the sum of its proper divisors (240591).

147105901 is an equidigital number, since it uses as much as digits as its factorization.

147105901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240590.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 147105901 is about 12128.7221503339. The cubic root of 147105901 is about 527.8899145397.

The spelling of 147105901 in words is "one hundred forty-seven million, one hundred five thousand, nine hundred one".