154494481187022 has 32 divisors (see below), whose sum is σ = 316054701528864. Its totient is φ = 50331291753600.

The previous prime is 154494481187021. The next prime is 154494481187069. The reversal of 154494481187022 is 220781184494451.

It is a super-2 number, since 2×154494481187022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154494481187021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1344261229 + ... + 1344376152.

It is an arithmetic number, because the mean of its divisors is an integer number (9876709422777).

Almost surely, 2^{154494481187022} is an apocalyptic number.

154494481187022 is an abundant number, since it is smaller than the sum of its proper divisors (161560220341842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154494481187022 is a wasteful number, since it uses less digits than its factorization.

154494481187022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688637604.

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 154494481187022 in words is "one hundred fifty-four trillion, four hundred ninety-four billion, four hundred eighty-one million, one hundred eighty-seven thousand, twenty-two".