201745150 has 36 divisors (see below), whose sum is σ = 384542352. Its totient is φ = 78711520.

The previous prime is 201745079. The next prime is 201745153. The reversal of 201745150 is 51547102.

201745150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201745150² = 81402211097045000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201745153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 688404 + ... + 688696.

It is an arithmetic number, because the mean of its divisors is an integer number (10681732).

Almost surely, 2^201745150 is an apocalyptic number.

201745150 is a deficient number, since it is larger than the sum of its proper divisors (182797202).

201745150 is an equidigital number, since it uses as much as digits as its factorization.

201745150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 201745150 is about 14203.7019822298. The cubic root of 201745150 is about 586.4995739845.

The spelling of 201745150 in words is "two hundred one million, seven hundred forty-five thousand, one hundred fifty".