154780416 has 216 divisors, whose sum is σ = 533606640. Its totient is φ = 44126208.

The previous prime is 154780411. The next prime is 154780471. The reversal of 154780416 is 614087451.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (216).

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

It is not an unprimeable number, because it can be changed into a prime (154780411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338460 + ... + 338916.

Almost surely, 2^154780416 is an apocalyptic number.

154780416 is a gapful number since it is divisible by the number (16) 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 154780416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266803320).

154780416 is an abundant number, since it is smaller than the sum of its proper divisors (378826224).

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

154780416 is an equidigital number, since it uses as much as digits as its factorization.

154780416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 154780416 is about 12441.0777668175. The cubic root of 154780416 is about 536.9147519244.

The spelling of 154780416 in words is "one hundred fifty-four million, seven hundred eighty thousand, four hundred sixteen".