154216734 has 64 divisors (see below), whose sum is σ = 360599040. Its totient is φ = 43061760.

The previous prime is 154216691. The next prime is 154216789. The reversal of 154216734 is 437612451.

It is a junction number, because it is equal to n+sod(n) for n = 154216695 and 154216704.

It is a congruent number.

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, 548674 + ... + 548954.

It is an arithmetic number, because the mean of its divisors is an integer number (5634360).

Almost surely, 2^154216734 is an apocalyptic number.

154216734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 154216734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180299520).

154216734 is an abundant number, since it is smaller than the sum of its proper divisors (206382306).

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

154216734 is a wasteful number, since it uses less digits than its factorization.

154216734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its digits is 20160, while the sum is 33.

The square root of 154216734 is about 12418.4030374280. The cubic root of 154216734 is about 536.2621772817.

It can be divided in two parts, 15421 and 6734, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 154216734 in words is "one hundred fifty-four million, two hundred sixteen thousand, seven hundred thirty-four".