146669400 has 192 divisors, whose sum is σ = 511351200. Its totient is φ = 38638080.

The previous prime is 146669399. The next prime is 146669441. The reversal of 146669400 is 4966641.

146669400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 847714 + ... + 847886.

Almost surely, 2^146669400 is an apocalyptic number.

146669400 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 146669400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255675600).

146669400 is an abundant number, since it is smaller than the sum of its proper divisors (364681800).

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

146669400 is a wasteful number, since it uses less digits than its factorization.

146669400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 146669400 is about 12110.7142646501. The cubic root of 146669400 is about 527.3672689264.

The spelling of 146669400 in words is "one hundred forty-six million, six hundred sixty-nine thousand, four hundred".