10154345122 has 4 divisors (see below), whose sum is σ = 15231517686. Its totient is φ = 5077172560.

The previous prime is 10154345087. The next prime is 10154345129. The reversal of 10154345122 is 22154345101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22154345101 = 7 ⋅3164906443.

It can be written as a sum of positive squares in only one way, i.e., 10088394481 + 65950641 = 100441^2 + 8121^2 .

It is a super-2 number, since 2×10154345122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10154345129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2538586279 + ... + 2538586282.

Almost surely, 2^10154345122 is an apocalyptic number.

10154345122 is a deficient number, since it is larger than the sum of its proper divisors (5077172564).

10154345122 is an equidigital number, since it uses as much as digits as its factorization.

10154345122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077172563.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 10154345122 in words is "ten billion, one hundred fifty-four million, three hundred forty-five thousand, one hundred twenty-two".