147766778071450 has 12 divisors (see below), whose sum is σ = 274846207212990. Its totient is φ = 59106711228560.

The previous prime is 147766778071447. The next prime is 147766778071457. The reversal of 147766778071450 is 54170877667741.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 140519757934609 + 7247020136841 = 11854103^2 + 2692029^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 147766778071450.

It is not an unprimeable number, because it can be changed into a prime (147766778071457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1477667780665 + ... + 1477667780764.

Almost surely, 2^{147766778071450} is an apocalyptic number.

147766778071450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147766778071450 is a deficient number, since it is larger than the sum of its proper divisors (127079429141540).

147766778071450 is a wasteful number, since it uses less digits than its factorization.

147766778071450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955335561441 (or 2955335561436 counting only the distinct ones).

The product of its (nonzero) digits is 387233280, while the sum is 70.

The spelling of 147766778071450 in words is "one hundred forty-seven trillion, seven hundred sixty-six billion, seven hundred seventy-eight million, seventy-one thousand, four hundred fifty".