45146673044878 has 4 divisors (see below), whose sum is σ = 67720009567320. Its totient is φ = 22573336522438.

The previous prime is 45146673044801. The next prime is 45146673044933. The reversal of 45146673044878 is 87844037664154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×45146673044878² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286668261218 + ... + 11286668261221.

It is an arithmetic number, because the mean of its divisors is an integer number (16930002391830).

Almost surely, 2^{45146673044878} is an apocalyptic number.

45146673044878 is a deficient number, since it is larger than the sum of its proper divisors (22573336522442).

45146673044878 is a wasteful number, since it uses less digits than its factorization.

45146673044878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22573336522441.

The product of its (nonzero) digits is 433520640, while the sum is 67.

The spelling of 45146673044878 in words is "forty-five trillion, one hundred forty-six billion, six hundred seventy-three million, forty-four thousand, eight hundred seventy-eight".