145351494 has 12 divisors (see below), whose sum is σ = 314928276. Its totient is φ = 48450492.

The previous prime is 145351489. The next prime is 145351499. The reversal of 145351494 is 494153541.

It is a happy number.

145351494 is a `hidden beast` number, since 1 + 4 + 53 + 514 + 94 = 666.

It is an interprime number because it is at equal distance from previous prime (145351489) and next prime (145351499).

It is a super-2 number, since 2×145351494² = 42254113616064072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145351499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4037524 + ... + 4037559.

It is an arithmetic number, because the mean of its divisors is an integer number (26244023).

Almost surely, 2^145351494 is an apocalyptic number.

145351494 is an abundant number, since it is smaller than the sum of its proper divisors (169576782).

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

145351494 is a wasteful number, since it uses less digits than its factorization.

145351494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075091 (or 8075088 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 145351494 is about 12056.1807385258. The cubic root of 145351494 is about 525.7829515035.

The spelling of 145351494 in words is "one hundred forty-five million, three hundred fifty-one thousand, four hundred ninety-four".