7145901 has 24 divisors (see below), whose sum is σ = 12236224. Its totient is φ = 4082400.

The previous prime is 7145867. The next prime is 7145917. The reversal of 7145901 is 1095417.

7145901 is a `hidden beast` number, since 71 + 4 + 590 + 1 = 666.

It is not a de Polignac number, because 7145901 - 2¹⁵ = 7113133 is a prime.

It is a super-2 number, since 2×7145901² = 102127802203602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7145951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400 + ... + 3801.

Almost surely, 2^7145901 is an apocalyptic number.

It is an amenable number.

7145901 is a deficient number, since it is larger than the sum of its proper divisors (5090323).

7145901 is an equidigital number, since it uses as much as digits as its factorization.

7145901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223 (or 4211 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 7145901 is about 2673.1818119986. The cubic root of 7145901 is about 192.6130308242.

The spelling of 7145901 in words is "seven million, one hundred forty-five thousand, nine hundred one".