45102449390 has 8 divisors (see below), whose sum is σ = 81184408920. Its totient is φ = 18040979752.

The previous prime is 45102449387. The next prime is 45102449393. The reversal of 45102449390 is 9394420154.

It is an interprime number because it is at equal distance from previous prime (45102449387) and next prime (45102449393).

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

It is a super-2 number, since 2×45102449390² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45102449393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255122460 + ... + 2255122479.

It is an arithmetic number, because the mean of its divisors is an integer number (10148051115).

Almost surely, 2^45102449390 is an apocalyptic number.

45102449390 is a deficient number, since it is larger than the sum of its proper divisors (36081959530).

45102449390 is a wasteful number, since it uses less digits than its factorization.

45102449390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510244946.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 45102449390 in words is "forty-five billion, one hundred two million, four hundred forty-nine thousand, three hundred ninety".