147661557071452 has 6 divisors (see below), whose sum is σ = 258407724875048. Its totient is φ = 73830778535724.

The previous prime is 147661557071449. The next prime is 147661557071593. The reversal of 147661557071452 is 254170755166741.

147661557071452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×147661557071452² (a number of 29 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, 18457694633928 + ... + 18457694633935.

Almost surely, 2^{147661557071452} is an apocalyptic number.

It is an amenable number.

147661557071452 is a deficient number, since it is larger than the sum of its proper divisors (110746167803596).

147661557071452 is a wasteful number, since it uses less digits than its factorization.

147661557071452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36915389267867 (or 36915389267865 counting only the distinct ones).

The product of its (nonzero) digits is 49392000, while the sum is 61.

The spelling of 147661557071452 in words is "one hundred forty-seven trillion, six hundred sixty-one billion, five hundred fifty-seven million, seventy-one thousand, four hundred fifty-two".