745525248 has 156 divisors (see below), whose sum is σ = 2158492320. Its totient is φ = 228753408.

The previous prime is 745525223. The next prime is 745525273. The reversal of 745525248 is 842525547.

It is an interprime number because it is at equal distance from previous prime (745525223) and next prime (745525273).

It is a tau number, because it is divible by the number of its divisors (156).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076493 + ... + 2076851.

Almost surely, 2^745525248 is an apocalyptic number.

745525248 is a gapful number since it is divisible by the number (78) 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 745525248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079246160).

745525248 is an abundant number, since it is smaller than the sum of its proper divisors (1412967072).

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

745525248 is a wasteful number, since it uses less digits than its factorization.

745525248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 377 counting only the distinct ones).

The product of its digits is 448000, while the sum is 42.

The square root of 745525248 is about 27304.3082314861. The cubic root of 745525248 is about 906.7497655477.

It can be divided in two parts, 74552 and 5248, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 745525248 in words is "seven hundred forty-five million, five hundred twenty-five thousand, two hundred forty-eight".