45151405 has 32 divisors (see below), whose sum is σ = 63957600. Its totient is φ = 30277632.

The previous prime is 45151363. The next prime is 45151409. The reversal of 45151405 is 50415154.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 24820324 + 20331081 = 4982^2 + 4509^2 .

It is a cyclic number.

It is not a de Polignac number, because 45151405 - 2⁹ = 45150893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45151405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45151409) 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, 31341 + ... + 32749.

It is an arithmetic number, because the mean of its divisors is an integer number (1998675).

Almost surely, 2^45151405 is an apocalyptic number.

It is an amenable number.

45151405 is a deficient number, since it is larger than the sum of its proper divisors (18806195).

45151405 is a wasteful number, since it uses less digits than its factorization.

45151405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 45151405 is about 6719.4795185342. The cubic root of 45151405 is about 356.0877960669.

Adding to 45151405 its reverse (50415154), we get a palindrome (95566559).

The spelling of 45151405 in words is "forty-five million, one hundred fifty-one thousand, four hundred five".