Search a number
-
+
145735415 = 5719375923
BaseRepresentation
bin10001010111110…
…11111011110111
3101011020010101222
420223323323313
5244302013130
622243340555
73416505410
oct1053737367
9334203358
10145735415
117529a1a1
124098175b
1324267a97
14154d8807
15cbdace5
hex8afbef7

145735415 has 32 divisors (see below), whose sum is σ = 216107520. Its totient is φ = 92098944.

The previous prime is 145735397. The next prime is 145735417. The reversal of 145735415 is 514537541.

It is a happy number.

It is not a de Polignac number, because 145735415 - 212 = 145731319 is a prime.

It is a super-2 number, since 2×1457354152 = 42477622370444450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145735417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21644 + ... + 27566.

It is an arithmetic number, because the mean of its divisors is an integer number (6753360).

Almost surely, 2145735415 is an apocalyptic number.

145735415 is a deficient number, since it is larger than the sum of its proper divisors (70372105).

145735415 is a wasteful number, since it uses less digits than its factorization.

145735415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991.

The product of its digits is 42000, while the sum is 35.

The square root of 145735415 is about 12072.0924035562. The cubic root of 145735415 is about 526.2454663034.

The spelling of 145735415 in words is "one hundred forty-five million, seven hundred thirty-five thousand, four hundred fifteen".

Divisors: 1 5 7 19 35 37 95 133 185 259 665 703 1295 3515 4921 5923 24605 29615 41461 112537 207305 219151 562685 787759 1095755 1534057 3938795 4163869 7670285 20819345 29147083 145735415