745434423000154 has 4 divisors (see below), whose sum is σ = 1118151634500234. Its totient is φ = 372717211500076.

The previous prime is 745434423000133. The next prime is 745434423000191. The reversal of 745434423000154 is 451000324434547.

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

It can be written as a sum of positive squares in only one way, i.e., 739899569199025 + 5534853801129 = 27201095^2 + 2352627^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186358605750037 + ... + 186358605750040.

Almost surely, 2^{745434423000154} is an apocalyptic number.

745434423000154 is a deficient number, since it is larger than the sum of its proper divisors (372717211500080).

745434423000154 is a wasteful number, since it uses less digits than its factorization.

745434423000154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372717211500079.

The product of its (nonzero) digits is 3225600, while the sum is 46.

The spelling of 745434423000154 in words is "seven hundred forty-five trillion, four hundred thirty-four billion, four hundred twenty-three million, one hundred fifty-four", and thus it is an aban number.