201372545 has 32 divisors (see below), whose sum is σ = 279797760. Its totient is φ = 137592000.

The previous prime is 201372539. The next prime is 201372547. The reversal of 201372545 is 545273102.

It is a happy number.

It is not a de Polignac number, because 201372545 - 2⁸ = 201372289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201372547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136160 + ... + 137630.

It is an arithmetic number, because the mean of its divisors is an integer number (8743680).

Almost surely, 2^201372545 is an apocalyptic number.

It is an amenable number.

201372545 is a deficient number, since it is larger than the sum of its proper divisors (78425215).

201372545 is a wasteful number, since it uses less digits than its factorization.

201372545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 201372545 is about 14190.5794455336. The cubic root of 201372545 is about 586.1382809560.

The spelling of 201372545 in words is "two hundred one million, three hundred seventy-two thousand, five hundred forty-five".