147770880 has 160 divisors (see below), whose sum is σ = 480826368. Its totient is φ = 38707200.

The previous prime is 147770879. The next prime is 147770881. The reversal of 147770880 is 88077741.

It is an interprime number because it is at equal distance from previous prime (147770879) and next prime (147770881).

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147770881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545145 + ... + 545415.

Almost surely, 2^147770880 is an apocalyptic number.

147770880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147770880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240413184).

147770880 is an abundant number, since it is smaller than the sum of its proper divisors (333055488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147770880 is an equidigital number, since it uses as much as digits as its factorization.

147770880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 42.

The square root of 147770880 is about 12156.1046392337. The cubic root of 147770880 is about 528.6841452893.

The spelling of 147770880 in words is "one hundred forty-seven million, seven hundred seventy thousand, eight hundred eighty".