147454890 has 64 divisors (see below), whose sum is σ = 391416192. Its totient is φ = 35251200.

The previous prime is 147454847. The next prime is 147454907. The reversal of 147454890 is 98454741.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21030 + ... + 27150.

It is an arithmetic number, because the mean of its divisors is an integer number (6115878).

Almost surely, 2^147454890 is an apocalyptic number.

147454890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 147454890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195708096).

147454890 is an abundant number, since it is smaller than the sum of its proper divisors (243961302).

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

147454890 is a wasteful number, since it uses less digits than its factorization.

147454890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 147454890 is about 12143.1005101663. The cubic root of 147454890 is about 528.3070341763.

It can be divided in two parts, 147 and 454890, that multiplied together give a triangular number (66868830 = T₁₁₅₆₄).

The spelling of 147454890 in words is "one hundred forty-seven million, four hundred fifty-four thousand, eight hundred ninety".