145141794 has 80 divisors (see below), whose sum is σ = 374616000. Its totient is φ = 41142816.

The previous prime is 145141793. The next prime is 145141807. The reversal of 145141794 is 497141541.

It is a super-2 number, since 2×145141794² = 42132280731076872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145141793) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 168537 + ... + 169395.

It is an arithmetic number, because the mean of its divisors is an integer number (4682700).

Almost surely, 2^145141794 is an apocalyptic number.

145141794 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 145141794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187308000).

145141794 is an abundant number, since it is smaller than the sum of its proper divisors (229474206).

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

145141794 is a wasteful number, since it uses less digits than its factorization.

145141794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1020 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 145141794 is about 12047.4808155066. The cubic root of 145141794 is about 525.5299791003.

The spelling of 145141794 in words is "one hundred forty-five million, one hundred forty-one thousand, seven hundred ninety-four".