188445034 has 16 divisors (see below), whose sum is σ = 299910600. Its totient is φ = 88497664.

The previous prime is 188445031. The next prime is 188445053. The reversal of 188445034 is 430544881.

It can be written as a sum of positive squares in 4 ways, for example, as 162486009 + 25959025 = 12747^2 + 5095^2 .

It is a super-2 number, since 2×188445034² = 71023061678522312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 188444984 and 188445002.

It is not an unprimeable number, because it can be changed into a prime (188445031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11862 + ... + 22750.

Almost surely, 2^188445034 is an apocalyptic number.

188445034 is a deficient number, since it is larger than the sum of its proper divisors (111465566).

188445034 is a wasteful number, since it uses less digits than its factorization.

188445034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11417.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 188445034 is about 13727.5283281441. The cubic root of 188445034 is about 573.3171048078.

The spelling of 188445034 in words is "one hundred eighty-eight million, four hundred forty-five thousand, thirty-four".