145958274 has 80 divisors (see below), whose sum is σ = 407791296. Its totient is φ = 37908000.

The previous prime is 145958273. The next prime is 145958287. The reversal of 145958274 is 472859541.

145958274 is a `hidden beast` number, since 14 + 59 + 582 + 7 + 4 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145958273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6624 + ... + 18324.

Almost surely, 2^145958274 is an apocalyptic number.

145958274 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 145958274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203895648).

145958274 is an abundant number, since it is smaller than the sum of its proper divisors (261833022).

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

145958274 is a wasteful number, since it uses less digits than its factorization.

145958274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11733 (or 11724 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 145958274 is about 12081.3192160459. The cubic root of 145958274 is about 526.5135750268.

The spelling of 145958274 in words is "one hundred forty-five million, nine hundred fifty-eight thousand, two hundred seventy-four".