45361509 has 8 divisors (see below), whose sum is σ = 61069632. Its totient is φ = 29947200.

The previous prime is 45361471. The next prime is 45361529. The reversal of 45361509 is 90516354.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45361509 - 2¹⁵ = 45328741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45361509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45361529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73092 + ... + 73709.

It is an arithmetic number, because the mean of its divisors is an integer number (7633704).

Almost surely, 2^45361509 is an apocalyptic number.

It is an amenable number.

45361509 is a deficient number, since it is larger than the sum of its proper divisors (15708123).

45361509 is a wasteful number, since it uses less digits than its factorization.

45361509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146907.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 45361509 is about 6735.0953222653. The cubic root of 45361509 is about 356.6392718742.

The spelling of 45361509 in words is "forty-five million, three hundred sixty-one thousand, five hundred nine".