Search a number
-
+
145299192 = 2336054133
BaseRepresentation
bin10001010100100…
…01011011111000
3101010101222000120
420222101123320
5244144033232
622230133240
73413010543
oct1052213370
9333358016
10145299192
1175021485
12407b1220
132414436c
141542385a
15cb5192c
hex8a916f8

145299192 has 16 divisors (see below), whose sum is σ = 363248040. Its totient is φ = 48433056.

The previous prime is 145299179. The next prime is 145299197. The reversal of 145299192 is 291992541.

It is a super-2 number, since 2×1452991922 = 42223710391705728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145299197) 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 3 ways as a sum of consecutive naturals, for example, 3027043 + ... + 3027090.

Almost surely, 2145299192 is an apocalyptic number.

145299192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145299192 is an abundant number, since it is smaller than the sum of its proper divisors (217948848).

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

145299192 is a wasteful number, since it uses less digits than its factorization.

145299192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054142 (or 6054138 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 145299192 is about 12054.0114484764. The cubic root of 145299192 is about 525.7198795707.

The spelling of 145299192 in words is "one hundred forty-five million, two hundred ninety-nine thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 6054133 12108266 18162399 24216532 36324798 48433064 72649596 145299192