145851798 has 8 divisors (see below), whose sum is σ = 291703608. Its totient is φ = 48617264.

The previous prime is 145851787. The next prime is 145851799. The reversal of 145851798 is 897158541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

145851798 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145851799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12154311 + ... + 12154322.

It is an arithmetic number, because the mean of its divisors is an integer number (36462951).

Almost surely, 2^145851798 is an apocalyptic number.

145851798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145851798 is a wasteful number, since it uses less digits than its factorization.

145851798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24308638.

The product of its digits is 403200, while the sum is 48.

The square root of 145851798 is about 12076.9117741250. The cubic root of 145851798 is about 526.3855140052.

The spelling of 145851798 in words is "one hundred forty-five million, eight hundred fifty-one thousand, seven hundred ninety-eight".